Kolambe Ranjan. (2021). UPSC MPSC Vidnyan Ani Tantradnyan (9th ed.). Bhagirath Prakashan.
芝加哥风格引文Kolambe Ranjan. UPSC MPSC Vidnyan Ani Tantradnyan. 9th ed. Pune: Bhagirath Prakashan, 2021.
MLA引文Kolambe Ranjan. UPSC MPSC Vidnyan Ani Tantradnyan. 9th ed. Bhagirath Prakashan, 2021.
警告：这些引文格式不一定是100％准确.